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Scientific Journal of Mechanical Engineering Kinematika
Published by Universitas Lambung Mangkurat
ISSN : 26559048     EISSN : 2655903X     DOI : http://dx.doi.org/10.20527
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is a mechanical engineering journal that focuses on Energy, Applied Mechanics, Materials, Manufacturing Processes. SJME Kinematics journal publish in Indonesian and receive in English. Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is an Open Access Journal that is available for free on online media. We are not only accept journals that focus on the derivatives of the four fields below, but also the possibility of an integrated focus of fields from several fields.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 133 Documents
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THE EFFECT OF ADDITION OF ESSENTIAL OIL FROM CEREH LEAVES TO PERTALITE FUEL ON EMISSIONS OF WASTE GAS Imam Prasetyo Imam; M. Arieq Nasabi
Scientific Journal of Mechanical Engineering Kinematika Vol 5 No 2 (2020): SJME Kinematika Desember 2020
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v5i2.182

Abstract

Essential oils are volatile compounds at room temperature derived from aromatic plants (such as vetiver, cloves, lemongrass, nutmeg, cananga, cinnamon) because the content of these essential oils has many benefits, including improving engine performance, cleaning fuel injectors, reduce the deposition of organic compounds in the combustion chamber, and can save fuel consumption and reduce exhaust emissions. The purpose of this study was to determine how much influence the addition of essential oil to pertalite fuel to reduce the concentration of CO and HC and increase CO2 levels in motorized vehicles. This test was carried out by adding the percentage of essential oil mixing as much as 6 ml, 12 ml, and 18 ml on pertalite fuel with engine speed variations of 1000, 1500, 2000, 2500, and 3000 rpm. Based on the test results, it was found that several significant decreases in the emission concentration value of CO levels occurred at the engine speed of 2000 rpm - 3000 rpm. The percentage of essential oil 12 ml is down by 0.30% from 1.02% to 0.72% at 3000 rpm engine speed. While the concentration of emission levels of HC from engine speed of 1500 rpm - 3000 rpm has decreased significantly, at 3000 rpm engine speed for 12 ml of essential oil percentage decreased by 30 ppm from 185 ppm to 155 ppm.
THE EFFECT OF REAR SPROCKET SIZE VARIATION ON POWER AND TORQUE ON YAMAHA VIXION MOTORCYCLES IN 2015 Yoyo Saputro; Imam Prasetyo; Muhammad Thomi Nadhief
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.184

Abstract

Motorcycles are equipped with a power transfer system that is able to bridge the engine output (engine power and torque) with the demands of road conditions, the sprocket is the last part of the power transfer system, because the sprocket is the part that transmits the engine power to the rear wheels through the chain. Previous researchers changed the size of the sprocket with a sprocket eye larger or 2 points smaller than the standard sprocket, while in this study replaced the rear sprocket with a large number of eyes and 4 points smaller than the standard sprocket. The purpose of this study was to determine the effect of variations in rear sprocket size on power and torque on the 2015 Vixion motor. This study used the data collection method from the daynote test using a dynamometer. The test results are the effect of variations in sprocket sizes 43T, 39T, and 47T resulting in an increase in power and the most optimal torque on the sprocket size 47T with a maximum power data of 16.1 HP, and torque data obtained with sprocket size 47T produces a maximum torque of 14.42 Nm. due to the large number of sprockets and the shorter distance between the front and rear sprockets.
EVALUASI KINERJA ESP DN1800 UNTUK MENAIKAN PRODUKTIVITAS SUMUR MINYAK Fajar Anggara
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.185

Abstract

The use of the Electrical Submersible Pump (ESP) in the oil lifting method is very popular because it is easy to install, less required installation of tools in the field and a high efficiency. To achieve the Q target, ESP parameters such as the number of stages and RPM need to be analyzed to align with the IPR (Inflow Performance Flow) curve. The use of nodal analysis is used to determine the relationship between Pwf and head pump. Iteration needs to be done to determine the range of the number of stages so that it aligns with characteristics of well. It is found that the recommended range stage is 580-600 at a well depth of 7684 ft. Moreover, it is found that with 3600 RPM and 600 stages is able to reach the Q target. The relationship between the number of stages and RPM value with Pwf is inversely proportional.
ANALYSIS OF HEAT ABSORBING PLATE ON DRYING RATE AND HEAT USEFUL FOR DRYING ANCHOVY Mietra Anggara; Pupung Pupung
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.186

Abstract

In 2015, Sumbawa Regency produced a total of 736,127 tons of fish catches (Sumbawa Regency Marine and Fisheries Service, 2019). The amount of fish production according to the District in Sumbawa Regency in 2015, which produced the most fish, was in Plampang district with a total of 100,880 tons. This research aims to determine the effect of the shape of the heat-absorbing plate on the drying rate and heat which is useful for anchovies based on LPG gas. The variables used are the shape of the wave plate, triangle and flat and the air blown by the fan from the outside at a speed of 0.5 m/s, 1 m /s and 1.5 m/s. The results obtained in this study are the highest useful heat is 21.25 watts at a speed of 0.5 m/s. While the lowest useful heat is a flat heat absorbing plate, which is 2.83 watts. The best drying rate was found on the corrugated plate which was 1.84 g/minute and the lowest was on the flat plate which was 1.08 g/minute. The water content of dried anchovy was 17.1 % and the most on the flat plate was 80.05%.
EFFECT OF VARIATION FORM (QUADRILATERAL AND HEXAGON), PARTICLE SIZE AND PRESSURE ON THE CHARACTERISTICS OF BURNING CHARCOAL WOOD WASTE BRIQUETTES ALABAN AND RICE HUSK Syarief, Akhmad; Sabitah, A’yan; Hakim, Luqmanul; Fadliyanur, Fadliyanur; Suryanta, Dhanu Suryanta; Galang P, Defrihans; Napitulu, Hansen Rivaldo; Ramadhasari, Aulia Aufa; Ardiyat, Ichwan Noor
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.187

Abstract

Bahan bakar briket sudah banyak diteliti dan dikembangkan sebagai pengganti bahan bakar padat seperti kayu. Salah satunya briket terbuat dari biomassa yang sudah tidak terpakai seperti serbuk gergaji, sekam padi bahkan limbah sisa industri. Pada penelitian ini peneliti tertarik untuk mengetahui karakteristik pembakaran briket yang terbuat dari sekam padi dicampur limbah arang kayu alaban yang meliputi penyalaan awal, laju pembakaran dan temperatur pembakaran. Adapun sampel briket yang digunakan dengan memvariasikan berupa bentuk segi empat dan enam, mesh 20 dan mesh 40 dan tekanan cetak briket sebesar 50 kg/cm2 dan 100 kg/cm2. Hasil menunjukkan temperatur tertinggi dimiliki briket segi empat dengan mesh 40 dan kekuatan tekan 50 kg/cm2 sebesar 4120C dan yang terendah dimiliki briket segi empat dengan mesh 20 dengan kekuatan tekan 100 kg/cm2 sebesar 333,330C. Semakin rendah tekanan pencetakan penyalaan awal semakin cepat dan laju pembakaran lebih lama karena ada rongga udara dan tingginya tekanan pencetakan mempengaruhi lamanya proses pembakaran.
WORKING FLUID REVIEW ON THE SYSTEM ORGANIC RANKINE CYCLE Iwan Gunawan; Nazaruddin Sinaga
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.188

Abstract

Pada penelitian ini, penulis melakukan review penggunaan fluida kerja ORC yang disimulasikan menggunakan EES dan melakukan review pada beberapa jurnal yang dilakukan sebelumnya. Fluida kerja yang dianalisa adalah isopentane sebagai fluida kerja yang dipakai, isobutane dan R245fa, dimana isobutane menghasil power output yang lebih tinggi dibandingkan dengan fluida sekunder lainnya karena enthalpi uap yang masuk ke turbine dan enthalpi uap yang masuk ke kondenser yang dihasilkan lebih tinggi dan ini menyebabkan kalor yang masuk ke dalam sistem ORC lebih tinggi dibandingkan dengan fluida kerja lainnya. Pada sistem ORC banyak pilihan fluida kerja dan bisa diaplikasikan dalam sistem baik secara aktual maupun masih dalam research, baik dalam off design dalam bentuk paper, jurnal maupun aplikasi teknologi secara langsung dalam pembangkit listrik panas bumi, waste heat recovery plant atau tipe combine cycle lainnya. Pada beberapa sistem yang diteliti, R227ea memiliki efisiensi thermal yang lebih baik daripada fluida sekunder lainnya. Sedangkan pada waste heat power plant, R134a memiliki efisiensi yang lebih baik dari fluida sekunder yang diteliti. Dan pada research lainnya HFE-301 memiliki efisiensi thermal sebesar 85% pada aplikasi Radial inflow turbine dengan kecepatan sekitar 60.000 rpm dan menghasilkan daya sebesar 1,5 kW.
EXERGY ANALYSIS OF ROTARY KILN IN CEMENT INDUSTRY Hendar Wirawan; Nazaruddin Sinaga
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.191

Abstract

Industri semen merupakan salah satu industri yang paling intensif energi di dunia karena di dalam proses produksinya mengkonsumsi sekitar 12–15% dari total penggunaan energi dan setara dengan 30-40% dari total biaya produksi semen. Analisis eksergi diperlukan untuk mengetahui kerugian kerja pada suatu mesin atau sistem. Dalam perhitungan eksergi diperlukan data kapasitas panas. Karena massa yang masuk ke dalam kiln berupa senyawa kimia, maka untuk menghitung kapasitas panasnya sesuai dengan zat kimia pada senyawa tersebut. Berdasarkan hasil perhitungan diperoleh bahwa nilai rasio bahan baku terhadap klinker adalah 1,87 kg/kg klinker dengan nilai energi spesifik sebesar 1.753,93 kJ/kg klinker. Nilai efisiensi energinya adalah 94,16%, 89,40%, dan 72,40%. Untuk nilai efisiensi eksergi adalah 39,07%, 52,75%, dan 43,49% serta nilai efisiensi eksergetik adalah 71,79%, 49,22%, dan 65,75%. Efisiensi penggunaan bahan bakar pada kiln berbeda-beda antara satu dengan yang lainnya, tergantung kepada jenis kiln dan proses yang digunakan. Nilai energi dan eksergi pada klinker dapat dihitung per satuan massa produk klinker yang dihasilkan.
The PROSES PENGEROLAN BATANG RUMPUT PAYUNG UNTUK MENGHASILKAN SERAT MELALUI METODE REDUKSI MENGGUNAKAN GEARBOX Danang Murdiyanto; Bernardus Crisanto P.B; Yosep Ardi Ang S
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 2 (2021): SJME Kinematika Desember 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i2.183

Abstract

The design of production machines always requires an innovation with the aim of making improvements and to improve production results. The umbrella grass stem pressing roller machine in previous research can still be developed to improve the performance of the engine. In this research, the first method used is to design a transmission system and gearbox reduction with the main drive motor with 1 HP power specifications and 1400 rpm rotation. The second method is to test the press roller machine. In this study, 3 variations of loading were made (35kg, 40kg, and 45kg) and for each loading variation 3 fiber samples were taken for the tensile test. The results obtained from this research are that the transmission system is selected by using a wormgear type gearbox with a rotation ratio (i) of 1/20 and from the calculation, the rotation of the press roller is obtained by 20 rpm. The results of the fiber tensile test, obtained the highest tensile strength value at the loading variation of 35 kg with the resulting fiber is better. Whereas for the average tensile stress of the 3 samples the result is 61.136 MPa.
PENERAPAN METODE ELEMEN HINGGA DALAM PEMILIHAN BAHAN PADA DESAIN PISAU MESIN PENCACAH PLASTIK Rizqi Ilmal Yaqin; Bambang Hari Priyambodo; Angger Bagus Prasetiyo; Mega Lazuardi Umar
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 2 (2021): SJME Kinematika Desember 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i2.190

Abstract

Garbage is an unresolved problem where 14% of the 30% inorganic waste is plastic waste. Efforts in managing plastic waste are reducing the size of plastic waste to be managed. The plastic chopping machine is a tool used to reduce the size of plastic waste. One of the important components in a plastic chopping machine is a knife. Determining the material used for the knife is one of the steps in the knife-making process. Model simulation in material selection can be used to predict mechanically correct materials. The research that has been carried out has the aim of determining the effective material using FEM in terms of meeting the standard mechanical design characteristics of the blade design. As a result, all of the materials submitted meet the design requirements in the manufacture of knives under operating loading conditions. However, the recommended material in terms of technical mechanics in making plastic chopping blades is JIS SUP 9. This is because it has an Equivalent (Von-Mises) Stress value (27,695 x 10-2 MPa), Equivalent Elastic Strain (12,882 x 10-7 m / m), Total Deformation (17,722 x 10-10 m) and Safety Factor (15) optimal simulation results from other materials.
ANALISIS KINERJA AC MOBIL DENGAN VARIASI FREON R-134A, HFC-134 DAN MC-134 Rachmat Subagyo Subagyo; Feri Oktapiyanor; Fadliyanur; Muchsin; Hendry Y. Nanlohy
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 2 (2021): SJME Kinematika Desember 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i2.193

Abstract

Upaya manusia untuk menciptakan kondisi yang lebih sejuk dilakukan dengan sistem Air Conditioning (AC), salah satu AC yang digunakan pada sistem transportasi yaitu AC mobil. Coefficient of Performance (COP) merupakan perbandingan efek refrigerasi dengan kerja kompresor. Efek refrigerasi dikalkulasikan dari besarnya enthalpy refrigerant yang masuk kompresor atau enthalpy yang keluar dari evaporator dibagi dengan enthalpy refrigerant yang masuk evaporator atau enthalpy sesudah katup ekspansi. Secara lebih jelas bahwa Coefficient of Performance (COP) adalah perbandingan efektifitas pendinginan evaporator dengan kerja yang diberikan kompresor. Penelitian ini bertujuan untuk menghitung dan membandingkan Coefficient of Performance Refrigerant jenis R-134A, HFC-134 dan MC-134. Metode yang digunakan adalah secara eksperimental dengan mengkaji nilai efisiensi dari AC mobil toyota avanza 1.3cc dengan variasi Freon R 134A, HFC 134A dan MC 134. Hasil penelitian menunjukkan nilai COP aktual dan COPideal yang terbaik menggunakan MC-134 karena nilai konduktivitas termal MC-134 paling tinggi sehingga kalor yang diserap evaporator lebih tinggi yang membuat nilai dari COP yang didapat lebih tinggi. Untuk efisiensi kompresor yang terbaik menggunakan HFC-134 karena nilai viskositas dan densitas dari HFC-134 lebih tinggi yang membuat kerja kompresor lebih ringan sehingga membuat efisiensi kompresor lebih tinggi

Page 7 of 14 | Total Record : 133

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